FR566412A - Combination device for telegraphy or wireless telephony - Google Patents
Combination device for telegraphy or wireless telephonyInfo
- Publication number
- FR566412A FR566412A FR566412DA FR566412A FR 566412 A FR566412 A FR 566412A FR 566412D A FR566412D A FR 566412DA FR 566412 A FR566412 A FR 566412A
- Authority
- FR
- France
- Prior art keywords
- telegraphy
- combination device
- wireless telephony
- telephony
- wireless
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
- H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
- H01H19/56—Angularly-movable actuating part carrying contacts, e.g. drum switch
- H01H19/58—Angularly-movable actuating part carrying contacts, e.g. drum switch having only axial contact pressure, e.g. disc switch, wafer switch
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR566412T | 1922-08-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR566412A true FR566412A (en) | 1924-02-14 |
Family
ID=8947081
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR566412D Expired FR566412A (en) | 1922-08-08 | 1922-08-08 | Combination device for telegraphy or wireless telephony |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR566412A (en) |
-
1922
- 1922-08-08 FR FR566412D patent/FR566412A/en not_active Expired
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